Abstract:A novel method for fabricating diffractive phase elements on azobenezene polymer film is proposed. Distinguished from the common direct-inscribing systems, polarized light illuminates on sample films in this polarizedlight direct-inscribing system. By composite control of the intensity and polarization direction of the inscribing light and exposure time, a special phase-delay distribution graph can be achieved. Based on the proposal, a series of phase-type gratings were produced. Our speculation was supported … Show more
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